; 1. (10^2)^3 = (10^3)^2 = 1000000
; 2. 10 * (10^3) = 10 * 10 * (10^2) = 10000
; 3. 10 * (10^2) * (10^2) = 100000
; 4. 10 ^ 2 = 100
; 5. 10 ^ 3 = 1000
; 1 can exist when we use serializer